refactor: 커피가게 완성(방현우 1차)

src/main/java/org/cafe/Kiosk.java

@@ -0,0 +1,42 @@
+package org.cafe;
+
+public class Kiosk {
+    public static void main(String[] args) {
+        KioskSystem kioskSystem = new KioskSystem();
+        Order order = new Order();
+        kioskSystem.start();
+
+        while (kioskSystem.isActive()) {
+            kioskSystem.introduceFunction();
+            int number = kioskSystem.askNumber();
+            if (User.orders.size() == 5) {
+                if (number == 1) {
+                    System.out.println("추가 주문이 불가능합니다. 결제해주세요!");
+                    continue;
+                }
+            }
+
+            switch (number) {
+                case 1 -> {
+                    kioskSystem.introduceMenu();
+                    order.order();
+                    if (User.orders.size() == 5) {
+                        System.out.println("추가 주문이 불가능합니다.");
+                    }
+                }
+                case 2 -> {
+                    order.cancel();
+                }
+                case 3 -> {
+                    order.pay();
+                }
+                case 4 -> {
+                    order.close();
+                }
+                default -> {
+                    order.faultNumber();
+                }
+            }
+        }
+    }
+}

src/main/java/org/cafe/KioskSystem.java

@@ -0,0 +1,52 @@
+package org.cafe;
+
+import java.util.Scanner;
+
+public class KioskSystem {
+    private boolean isActive;
+
+    public KioskSystem() {
+        isActive = false;
+    }
+
+    public boolean isActive() {
+        return isActive;
+    }
+
+    public void start() {
+        System.out.println("주문을 시작합니다");
+        isActive = true;
+    }
+
+    public void end() {
+        System.out.println("주문을 끝냅니다");
+        isActive = false;
+    }
+
+    public void introduceFunction() {
+        System.out.println("☆★☆★ Talking CafeManager ☆★☆★");
+        System.out.println("1. 주문하기");
+        System.out.println("2. 취소하기");
+        System.out.println("3. 결제하기");
+        System.out.println("4. 끝내기");
+        System.out.print("몇 번을 선택하시겠습니까? ");
+    }
+
+    public void introduceMenu() {
+        System.out.println("1. 아메리카노\t3800원");
+        System.out.println("2. 에스프레소\t2400원");
+        System.out.println("3. 카페라떼\t4200원");
+        System.out.println("4. 밀크티\t5100원");
+        System.out.print("몇 번을 선택하시겠습니까? ");
+    }
+
+    public void faultValue() {
+        System.out.println("번호를 잘못 입력하셨습니다!");
+    }
+
+    public int askNumber() {
+        Scanner sc = new Scanner(System.in);
+        int value = sc.nextInt();
+        return value;
+    }
+}

src/main/java/org/cafe/Order.java

@@ -0,0 +1,105 @@
+package org.cafe;
+
+import java.util.Iterator;
+import java.util.Scanner;
+
+public class Order implements OrderSystem {
+    String name;
+    int price;
+    int count = 0;
+    User user = User.getUser();
+    KioskSystem kioskSystem = new KioskSystem();
+
+    @Override
+    public void order() {
+        int number = kioskSystem.askNumber();
+        switch (number) {
+            case 1 -> {
+                name = "아메리카노";
+                price = 3800;
+            }
+            case 2 -> {
+                name = "에스프레소";
+                price = 2400;
+            }
+            case 3 -> {
+                name = "카페라떼";
+                price = 4200;
+            }
+            case 4 -> {
+                name = "밀크티";
+                price = 5100;
+            }
+            default -> {
+                kioskSystem.faultValue();
+                count--;
+            }
+
+        }
+        count++;
+        User.orders.add(count - 1, name);
+        System.out.println("현재 주문량: " + count);
+        user.total += price;
+    }
+
+    @Override
+    public void cancel() {
+        Iterator<String> iterator = User.orders.iterator();
+        while(iterator.hasNext()) {
+            String str = iterator.next();
+            System.out.println((User.orders.indexOf(str)+1) + ". " + str);
+        }
+        System.out.println("삭제할 메뉴번호를 적어주세요.");
+        int number;
+        do {
+            number = kioskSystem.askNumber();
+            if (number > User.orders.size()) {
+                System.out.println("삭제할 번호를 다시 입력하세요");
+            }
+        } while (number > User.orders.size());
+        //넘버, 빠지는 글자와 일치하는거 빼고, 가격도 뺀다.
+        String remove = User.orders.remove(number -1);
+        switch (remove) {
+            case "아메리카노" -> {
+                user.total -= 3800;
+            }
+            case "에스프레소" -> {
+                user.total -= 2400;
+            }
+            case "카페라떼" -> {
+                user.total -= 4200;
+            }
+            case "밀크티" -> {
+                user.total -= 5100;
+            }
+        }
+        count--;
+        System.out.println("현재 메뉴");
+        System.out.println(User.orders);
+    }
+
+    @Override
+    public void pay() {
+        Scanner scanner = new Scanner(System.in);
+        System.out.println(user.total + "원");
+        System.out.println("지불할 금액을 입력하세요.");
+        int paid = scanner.nextInt();
+        if (paid < user.total) {
+            System.out.println("금액이 부족합니다");
+            pay();
+        } else {
+            System.out.println("잔돈: " + (paid - user.total) + "원");
+        }
+        user.total = 0;
+        User.orders.clear();
+    }
+
+    public void close() {
+        kioskSystem.end();
+        System.exit(0);
+    }
+
+    public void faultNumber() {
+        System.out.println("잘못된 번호 입력입니다.");
+    }
+}

src/main/java/org/cafe/OrderSystem.java

@@ -0,0 +1,10 @@
+package org.cafe;
+
+public interface OrderSystem {
+    void order();
+
+    void cancel();
+
+    void pay();
+
+}

src/main/java/org/cafe/User.java

@@ -0,0 +1,24 @@
+package org.cafe;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class User {
+    int total = 0;
+
+
+    private static User user = new User();
+
+    private User() {
+    }
+
+    public static User getUser() {
+        return user;
+    }
+
+
+    static List<String> orders = new ArrayList<>();
+
+
+
+}